1. ON SUPERVISED AND SEMI-SUPERVISED K-NEAREST NEIGHBOR ALGORITHMS. Authors: ZALÁN BODÓ, ZSOLT MINIER.2. FEATURE SELECTION IN TEXT CATEGORIZATION USING ℓ1-REGULARIZED SVMS. Authors: ZSOLT MINIER.3. SEMI-SUPERVISED FEATURE SELECTION WITH SVMS. Authors: ZALÁN BODÓ, ZSOLT MINIER.